Low-Cost, Low-Altitude bundles fall to a Micronesian island as part of Operation Christmas Drop 2019, Dec. 11, 2019. OCD is a quadrilateral training mission designed to give C-130 crews from the U.S. Air Force, Japanese Air Self-Defense Force, Royal Australian Air Force, and Royal New Zealand Air Force a chance to airdrop supplies on unsurveyed drop zones throughout the Pacific. (U.S. Air Force photo by Staff Sgt. Kyle Johnson)